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20 Cards in this Set
- Front
- Back
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vector field
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a region domain set with a vector assigned at each point; vector function
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scalar field
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a region with a number assigned at each point
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longitude
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the distance east or west of the prime meridian measure in degrees
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latitude
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the distance north or south of the equator, measured in degrees
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coordinate system
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any method that uses numbers to represent a point, line or the like
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atmosphere
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the gaseous portion of a planet; the plant's envelope of air; one of the traditional subdivisions of Earth's physical environment
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hydrosphere
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the water portion of Earth
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lithosphere
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the riid outer layer of Earth, including the crust and uppermantle
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contour interval
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on a topographical map, tells the distance in elevation between adjacent contour lines
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polaris
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north star
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contour line
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line on a topographic map that indicates an elevation; every point along contour line has some elevation
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contour map
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a topographic map on which the shape of the land surface is shown by contour lines, the relative spacing of the lines indicating the relative slope of the surface
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gradient
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the slope of a stream over a certain distance
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meridian
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a great circle of the Earth passing through the poles and any given point on the Earth's surface
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isoline
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a line on a map, chart, or graph, connecting
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altitude
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the height of anything above a given planetary reference plain
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field
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the influence of some agent as electricity or gravitation, considered as existing at a ll points in space and deined by the force it would exert on an object placed at any point in space (electric field, magnetic field)
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models
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mental or physical representation of an object, process or event
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oblate sheroid
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sphere that is wider at the equilatorial diameter
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parallel
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something that is in line with, or facing the exact same direction, and will always be fixed width apart (latitude lines)
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